"Sat, 24 Jan 1970 12:26:11"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
19700124
Only TIME
12:26:11
General datetime
1970-01-24 12:26:11Z
For Database
1970-01-24 12:26:11
For HTTP1.1
Sat, 24 Jan 1970 12:26:11 GMT